Hand mixer



FIG. 1 is a front perspective view of the design of the present invention.

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elelvational view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a hand mixer, as shown and described. 